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I am suspecting that the line my $control_num = join ( ',', ('?') x @control ); where I am joining all the control numbers from the array "@control" is slowing down the query results.

Why worry about speed when you code doesn't work?

use strict; use warnings; my @control = qw ( 1 2 3 4 5 6 7 ); my $control_num = join ( ',', ('?') x @control ); print "cn=$control_num<<\n"; __DATA__ cn=?,?,?,?,?,?,?<<

In reply to Re: For a better efficiency and speed question! by Lotus1
in thread For a better efficiency and speed question! by Anonymous Monk

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